Software · head to head
Avast One vs Bitdefender Total Security
Bitdefender Total Security
Software
The world's #1 rated antivirus
- From
- $19.99/year
- Rated
- -
The short version
- Only Avast One has a free tier, so it costs nothing to try first.
- Each has a real cost: Avast One ransomware and Wi-Fi vulnerability protection only on paid plans; Bitdefender Total Security vPN limited to 200MB per day, insufficient for streaming video or extended browsing sessions
- They diverge on capability: Avast One covers Antivirus, Bitdefender Total Security covers Advanced threat defense.
Where they differ
Only the attributes on which Avast One and Bitdefender Total Security actually diverge.
| Attribute | Avast One | Bitdefender Total Security |
|---|---|---|
| Starting price | Free | $19.99/year |
| Free tier | Yes | No |
| Founded | 1988 | 2001 |
Identical on both: pricing model (Unknown), platforms (Windows, macOS, iOS, Android), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Avast One
- Antivirus
- Firewall
- Data breach monitoring
- Email Guardian
- Webcam Shield
- Ransomware Shield
- Performance optimization
- Windows Security
Only in Bitdefender Total Security
- Advanced threat defense
- Multi-layer ransomware protection
- Real-time data protection
- Network threat prevention
- Parental advisor
- Anti-tracker
- Microphone monitor
- Windows Security Center
Both cover
- VPN
- Cloud deployment
- Web support
- Desktop support
- Mobile support
- English language support
What people use each for
The jobs each tool is most often brought in to do.
Avast One
- Antivirus
- Internet Security
- Privacy Toolsnot Bitdefender Total Security
Bitdefender Total Security
- Antivirus
- Internet Security
- Endpoint Protectionnot Avast One
Both are used for antivirus, internet security, on those jobs the choice comes down to price and fit rather than capability.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Avast One
- Ransomware and Wi-Fi vulnerability protection only on paid plans
- Free plan VPN is limited, no data breakthrough monitoring
- Rebuilt app in May 2026 may have stability issues
Bitdefender Total Security
- VPN limited to 200MB per day, insufficient for streaming video or extended browsing sessions
- Limited features on Apple devices with iOS version lacking scheduled scans, firewall, file shredder, and other tools
- Failed to detect 10% of virus samples during in-house testing, falling short of perfect detection rates
- Auto-renewal billing issues with complaints about unauthorized recurring charges and difficulties with refunds
- Device optimization tools less extensive than competitors, lacking game booster, driver updater, startup manager, and battery usage manager
Pricing, plan by plan
Avast One
Free- FreeFree
- Antivirus
- Limited VPN
- Privacy tools
- Silver$2.99/month
- Enhanced antivirus
- VPN
- Device cleanup
- Premium$4.19/month
- Full antivirus
- VPN with 55 servers
- Password manager
- Premium Plus$11.67/month
- All Premium features
- 30 devices covered
Bitdefender Total Security
$19.99/yearNo published plan breakdown. See the Bitdefender Total Security review.
Which should you pick?
Choose Avast One if
- You need antivirus.
- You want to start without paying.
- You work on Windows, macOS, iOS, Android.
- You also want firewall.
Choose Bitdefender Total Security if
- You need advanced threat defense.
- You work on Windows, macOS, iOS, Android.
- You also want multi-layer ransomware protection.
Questions people ask
- Is Avast One or Bitdefender Total Security better?
- Neither clearly leads. Avast One starts at Free and Bitdefender Total Security at $19.99/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Avast One or Bitdefender Total Security?
- Avast One has a free tier; the other does not. Paid plans start at Free for Avast One and $19.99/year for Bitdefender Total Security.
- Does Avast One or Bitdefender Total Security run on more platforms?
- Both run on Windows, macOS, iOS, Android, so platform support will not decide this one for you.
- Can I use Avast One for free?
- Yes. Avast One has a free tier, so you can try it without paying. Bitdefender Total Security starts at $19.99/year.
- What is Avast One best used for?
- Avast One is most often used for antivirus, internet security, privacy tools. Of those, privacy tools is not what Bitdefender Total Security is typically brought in for.
- What can Avast One do that Bitdefender Total Security cannot?
- Avast One covers Antivirus, Firewall, Data breach monitoring, Email Guardian. Bitdefender Total Security covers Advanced threat defense, Multi-layer ransomware protection, Real-time data protection, Network threat prevention. Both handle VPN, Cloud deployment, Web support, Desktop support.
Answered from the vendors’ own pages
Avast One: Is Avast One free?
Yes. Avast One offers a free tier with antivirus, VPN (limited), and privacy tools. Paid plans start at $2.99/month for Silver and $4.19/month for Premium covering up to 5 devices.
SourceBitdefender Total Security: What are Bitdefender's main features?
Total Security includes real-time antivirus, anti-phishing, anti-ransomware, firewall, secure VPN (limited), password manager, file shredder, and anti-tracker. Additional features include parental controls, advanced threat defense, privacy firewall, and webcam/microphone protection.
Avast One: What does Avast One include?
Avast One provides antivirus, VPN, password manager, device cleanup, Wi-Fi security, data breach monitoring, and protection against AI-generated scams and deepfakes.
SourceBitdefender Total Security: What did Bitdefender score on AV-TEST?
Bitdefender scored 6/6 across protection, performance, and usability in the January-February 2026 AV-TEST evaluation, and AV-Comparatives named it Product of the Year with a 99.98% detection rate.
Avast One: Does Avast One have ransomware protection?
Ransomware protection is available only on paid plans, not the free tier. Free users get antivirus and basic protection only.
SourceRelated pages
More on Bitdefender Total Security
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